Bug 1452592 (CVE-2017-9055)

Summary: CVE-2017-9055 libdwarf: heap-based buffer over-read in dwarf_formsdata()
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: fche, orion
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2019-06-08 03:12:55 UTC Type: ---
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Bug Depends On: 1452593, 1452594    
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Description Adam Mariš 2017-05-19 09:38:25 UTC 
An issue, also known as DW201703-001, was discovered in libdwarf 2017-03-21. In dwarf_formsdata() a few data types were not checked for being in bounds, leading to a heap-based buffer over-read.

Reference:

https://www.prevanders.net/dwarfbug.html#DW201703-001
Comment 1 Adam Mariš 2017-05-19 09:40:43 UTC 
Created libdwarf tracking bugs for this issue:

Affects: epel-all [bug 1452593]
Affects: fedora-all [bug 1452594]